261719136

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1145

約数の個数: 144

約数和(自身を含む): 857945088

約数和(自身を除く): 596225952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 131, 144, 168, 224, 252, 262, 288, 336, 393, 504, 524, 672, 786, 917, 991, 1008, 1048, 1179, 1572, 1834, 1982, 2016, 2096, 2358, 2751, 2973, 3144, 3668, 3964, 4192, 4716, 5502, 5946, 6288, 6937, 7336, 7928, 8253, 8919, 9432, 11004, 11892, 12576, 13874, 14672, 15856, 16506, 17838, 18864, 20811, 22008, 23784, 27748, 29344, 31712, 33012, 35676, 37728, 41622, 44016, 47568, 55496, 62433, 66024, 71352, 83244, 88032, 95136, 110992, 124866, 129821, 132048, 142704, 166488, 221984, 249732, 259642, 264096, 285408, 332976, 389463, 499464, 519284, 665952, 778926, 908747, 998928, 1038568, 1168389, 1557852, 1817494, 1997856, 2077136, 2336778, 2726241, 3115704, 3634988, 4154272, 4673556, 5452482, 6231408, 7269976, 8178723, 9347112, 10904964, 12462816, 14539952, 16357446, 18694224, 21809928, 29079904, 32714892, 37388448, 43619856, 65429784, 87239712, 130859568, 261719136]

約数ペア:

[(1, 261719136), (2, 130859568), (3, 87239712), (4, 65429784), (6, 43619856), (7, 37388448), (8, 32714892), (9, 29079904), (12, 21809928), (14, 18694224), (16, 16357446), (18, 14539952), (21, 12462816), (24, 10904964), (28, 9347112), (32, 8178723), (36, 7269976), (42, 6231408), (48, 5452482), (56, 4673556), (63, 4154272), (72, 3634988), (84, 3115704), (96, 2726241), (112, 2336778), (126, 2077136), (131, 1997856), (144, 1817494), (168, 1557852), (224, 1168389), (252, 1038568), (262, 998928), (288, 908747), (336, 778926), (393, 665952), (504, 519284), (524, 499464), (672, 389463), (786, 332976), (917, 285408), (991, 264096), (1008, 259642), (1048, 249732), (1179, 221984), (1572, 166488), (1834, 142704), (1982, 132048), (2016, 129821), (2096, 124866), (2358, 110992), (2751, 95136), (2973, 88032), (3144, 83244), (3668, 71352), (3964, 66024), (4192, 62433), (4716, 55496), (5502, 47568), (5946, 44016), (6288, 41622), (6937, 37728), (7336, 35676), (7928, 33012), (8253, 31712), (8919, 29344), (9432, 27748), (11004, 23784), (11892, 22008), (12576, 20811), (13874, 18864), (14672, 17838), (15856, 16506)]